\begin{abstract}
    This is a very long sentence that
    should be wrapped at some point,
    which is the case but is is is is
    line width is not respected because
    of the indentation.
    \begin{another}
        Another is a very long sentence
        that should be wrapped at some
        point, which is the case but is
        is is is line width is not
        respected because of the
        indentation.
        \begin{itemize}
            \item One is a very long
                  sentence that should
                  be wrapped at some
                  point, which is the
                  case but is is is is
                  line width is not
                  respected because of
                  the indentation.
            \item Two is a very long
                  sentence that should
                  be wrapped at some
                  point, which is the
                  case but is is is is
                  line width is not
                  respected because of
                  the indentation.
        \end{itemize}
    \end{another}
\end{abstract}
----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|
   5   10   15   20   25   30   35   40   45   50   55   60   65   70   75   80   85   90   95   100   105   110
